/* 组件样式 */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.text-justify {
    text-align: justify;
}

.text-primary {
    color: #007bff;
}

.text-secondary {
    color: #6c757d;
}

.text-success {
    color: #28a745;
}

.text-danger {
    color: #dc3545;
}

.text-warning {
    color: #ffc107;
}

.text-info {
    color: #17a2b8;
}

.text-light {
    color: #f8f9fa;
}

.text-dark {
    color: #343a40;
}

.text-muted {
    color: #6c757d;
}

.text-white {
    color: white;
}

/* 按钮样式 */
.btn-primary {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
}

.btn-secondary {
    background-color: #6c757d;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
}

.btn-success {
    background-color: #28a745;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
}

.btn-danger {
    background-color: #dc3545;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
}

.btn-warning {
    background-color: #ffc107;
    color: #212529;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
}

.btn-info {
    background-color: #17a2b8;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
}